New year, new currency: Mauritania's ouguiya gets a makeover

Mauritania introduced a new currency on Jan. 1, with the new ouguinya worth ten times the old unit. The change is aimed at reducing forgery, but the currency had slumped in value in the past year against the euro. Also on today’s show, we look at how the first day of trading of 2018 began on markets around Asia and Europe.